Synthesis of indolo-quinonediimine derivatives by the thermolysis of 5-(1-benzotriazolyl)-substituted spiro[2H-benzimidazole-2,1‘-cyclohexane]
Nucleophilic introduction of the 1H-benzotriazole ring into spiro[2H-benzimidazole-2,1‘-cyclohexane] and spiro[2H-imidazo[4,5-b]pyridine-2,1‘-cyclohexane], followed by Graebe-Ullmann thermolysis, and also the reduction and formic acid cyclization of five spiro[cyclohexane-1,2‘-2‘H-imidazo[4,5-b]pyri...
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| Hauptverfasser: | , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
2004
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| In: |
Journal of chemical research online. Synopses
Year: 2004, Heft: 7, Pages: 453-456 |
| ISSN: | 1364-5560 |
| DOI: | 10.3184/0308234042037347 |
| Online-Zugang: | Verlag, kostenfrei, Volltext: http://dx.doi.org/10.3184/0308234042037347
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| Verfasserangaben: | Huu Phuoc Le, Anna Kelbig, Andreas Lindauer, Richard Neidlein, and Hans Suschitzky |
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| 245 | 1 | 0 | |a Synthesis of indolo-quinonediimine derivatives by the thermolysis of 5-(1-benzotriazolyl)-substituted spiro[2H-benzimidazole-2,1‘-cyclohexane] |c Huu Phuoc Le, Anna Kelbig, Andreas Lindauer, Richard Neidlein, and Hans Suschitzky |
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| 520 | |a Nucleophilic introduction of the 1H-benzotriazole ring into spiro[2H-benzimidazole-2,1‘-cyclohexane] and spiro[2H-imidazo[4,5-b]pyridine-2,1‘-cyclohexane], followed by Graebe-Ullmann thermolysis, and also the reduction and formic acid cyclization of five spiro[cyclohexane-1,2‘-2‘H-imidazo[4,5-b]pyridine] derivatives to give 5-substituted 1H-imidazo[4‘,5‘:5,6]pyrido[1,2-a]benzimidazoles, are described. | ||
| 650 | 4 | |a Fused Imidazoles, Pyridines, Indoles, Ring Expansion | |
| 650 | 4 | |a Oxidative Nucleophilic Substitution, Indoloquinonediimine, Isobenzimidazoles | |
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| 700 | 1 | |a Lindauer, Andreas |e VerfasserIn |4 aut | |
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